CASTI-89 TITANIUM · CALC89
rowDim(
Returns the number of rows of a matrix.
Syntax
rowDim(expr)
- Group
- Matrix
- Arguments
- Takes one matrix.
- Availability
- Included
Example
| Input | Result |
|---|---|
| rowDim([[1,2,3][4,5,6]]) | 2 |
Typing rowDim([[1,2,3][4,5,6]]) on the home screen and pressing ENTER returns 2.
Related commands
- rowNorm(Returns the row norm of a matrix, the largest sum of the absolute values of the entries in any row.
- rowSwap(Swaps two rows of a matrix and returns the new matrix.
- rref(Returns the reduced row echelon form of a matrix.
- simult(Solves a system of linear equations given as a coefficient matrix and a column of constants, and returns the solution as a column vector.
- subMat(Returns the part of a matrix between a start row and column and an end row and column.
- trace(Returns the trace of a square matrix, the sum of the entries on its main diagonal.
- transpose(Returns the transpose of a matrix, with rows and columns swapped.
- unitV(Returns the unit vector in the direction of a vector, the vector divided by its length.